Install & compile script fro ffmpeg on raspberry pi

build.sh

#!/bin/bash

function install_build_tools {

	sudo apt-get install git
	sudo apt-get install libasound2-dev
	sudo apt-get install build-essential
	sudo apt-get install make
	sudo apt-get install autoconf
	sudo apt-get install libtool
	sudo apt-get install nginx
}

function build_yasm {
	
	echo "Building yasm..."

    # an assembler used by x264 and ffmpeg
    cd /usr/src

    wget http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
    tar xzvf yasm-1.2.0.tar.gz
    cd yasm-1.2.0
    ./configure
    make
    make install
}

function build_h264 {
    # h.264 video encoder

    echo "Building h264"

    cd /usr/src
    git clone git://git.videolan.org/x264
    cd x264

    ./configure --disable-asm --enable-shared
    make
    make install
}

function build_lame {
    # mp3 audio encoder

	echo "Building lame"

    cd /usr/src
    wget http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.tar.gz
    tar xzvf lame-3.99.tar.gz
    cd lame-3.99
    ./configure
    make
    make install
}

function build_faac {
    # aac encoder

    echo "Building faac"

    cd /usr/src
    curl -#LO http://downloads.sourceforge.net/project/faac/faac-src/faac-1.28/faac-1.28.tar.gz
    tar xzvf faac-1.28.tar.gz
    cd faac-1.28
    ./configure
    make
    make install
}

function build_ffmpeg {

	echo "Building ffmpeg"

    cd /usr/src/
    git clone git://source.ffmpeg.org/ffmpeg.git
    cd ffmpeg      
    ./configure --enable-shared --enable-gpl --prefix=/usr --enable-nonfree --enable-libmp3lame --enable-libfaac --enable-libx264 --enable-version3 --disable-mmx
    make
    make install
}

function configure_ldconfig {

	echo "Building ldconfig"

    echo "/usr/local/lib" > /etc/ld.so.conf.d/libx264.conf
    ldconfig
}

function build_psips {
  git clone git://github.com/AndyA/psips.git
  cd psips
  ./setup.sh && ./configure && make && make install
}

install_build_tools
build_yasm
build_h264
build_lame
build_faac
build_ffmpeg
configure_ldconfig
build_psips 

video.sh

#!/bin/bash

base="/usr/share/nginx/www"

set -x

rm -rf live live.h264 "$base/live"
mkdir -p live
ln -s "$PWD/live" "$base/live"

# fifos seem to work more reliably than pipes - and the fact that the
# fifo can be named helps ffmpeg guess the format correctly.
mkfifo live.h264
raspivid -w 1280 -h 720 -fps 25 -hf -t 86400000 -b 1800000 -o - | psips > live.h264 &

# Letting the buffer fill a little seems to help ffmpeg to id the stream
sleep 2

# Need ffmpeg around 1.0.5 or later. The stock Debian ffmpeg won't work.
# I'm not aware of options apart from building it from source. I have
# Raspbian packags built from Debian Multimedia sources. Available on
# request but I don't want to post them publicly because I haven't cross
# compiled all of Debian Multimedia and conflicts can occur.
ffmpeg -y \
  -i live.h264 \
  -f s16le -i /dev/zero -r:a 48000 -ac 2 \
  -c:v copy \
  -c:a libfaac -b:a 128k \
  -map 0:0 -map 1:0 \
  -f segment \
  -segment_time 8 \
  -segment_format mpegts \
  -segment_list "$base/live.m3u8" \
  -segment_list_size 720 \
  -segment_list_flags live \
  -segment_list_type m3u8 \
  "live/%08d.ts" < /dev/null